Potassium- and sodium-induced phonons on the reconstructed and unreconstructed copper (110) surface studied by high-resolution electron-energy-loss spectroscopy
- 15 July 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 42 (3) , 1856-1859
- https://doi.org/10.1103/physrevb.42.1856
Abstract
The K- and Na-induced dipole-active vibrational modes on Cu(110) have been measured as a function of coverage at 90 and 300 K. On the reconstructed surface, in addition to the K- (Na-) substrate stretching mode, a dipole-active loss is found at 10 meV (11.5 meV). The observation of this mode even at coverages as low as Θ≃0.02 points to local reconstruction at the lowest alkali-metal coverages. The sequence of reconstructions does not change appreciably the Na-Cu stretching frequency.Keywords
This publication has 13 references indexed in Scilit:
- Lattice dynamics of Cu(110): High-resolution He-scattering studyPhysical Review B, 1988
- Phase transitions and phase diagrams of K and Cs overlayers on a reconstructed and unreconstructed Cu(110) surfacePhysical Review B, 1988
- Theory of Alkali-Metal-Induced Reconstruction of fcc (110) SurfacesPhysical Review Letters, 1988
- Thermal activation of the cesium-induced reconstruction of Ag(110)Solid State Communications, 1986
- A LEED structural study of the Pd{110}-(1×1) surface and an alkali-metal-induced (1×2) surface reconstructionSurface Science, 1985
- The alkali metal induced reconstruction of Ag(110); a helium atom diffraction studySurface Science, 1985
- Observation of Structure-Induced Surface Vibrational Resonances on Metal SurfacesPhysical Review Letters, 1985
- Dipole active displacements of ordered adsorbate layers on metal surfacesChemical Physics Letters, 1984
- Alkali metal-induced reconstruction of Ag(110)Solid State Communications, 1983
- Observation of Surface Phonons on Ni(111) by Electron Energy-Loss SpectroscopyPhysical Review Letters, 1980